विस्तृत पाठ्यक्रम विश्लेषण देखने के लिए एक पेपर चुनें।
परीक्षा योजना
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विषय
अंक
समय
सामान्य ज्ञान
40
यांत्रिक अभियांत्रिकी (डिग्री)
80
कुल
120
2 घण्टे
Note:
प्रश्न पत्र में बहुविकल्पीय प्रकार के प्रश्न होंगे व सभी प्रश्नों के अंक समान होंगे।
परीक्षा में न्यूनतम निर्धारित उत्तीर्णांक अंक 40 प्रतिशत है। इससे कम अंक प्राप्त करने वाले अभ्यर्थी नियुक्ति के लिए पात्र नहीं होंगे।
किसी प्रश्न विशेष के गलत उत्तर के लिए परीक्षार्थी के प्राप्तांकों में से उस प्रश्न के पूर्णांक का एक-तिहाई अंक (1/3) अंक काटा जावेगा।
भाग-अ :- सामान्य ज्ञान
राजस्थान का इतिहास, कला एवं संस्कृति, साहित्य, परम्पराऐं एवं विरासत
राजस्थान के इतिहास के प्रमुख स्त्रोत
राजस्थान की प्रमुख प्रागैतिहासिक सभ्यताऐं
राजस्थान के प्रमुख राजवंश एवं उनकी उपलब्धियां
मुगल-राजपूत संबंध
स्थापत्य कला की प्रमुख विशेषताऐं
महत्वपूर्ण किले, स्मारक एवं संरचनायें
राजस्थान के धार्मिक आंदोलन एवं लोक देवी-देवताऐं
राजस्थान की प्रमुख चित्रकलाऐं, शैलियां एवं हस्तशिल्प
राजस्थानी भाषा एवं साहित्य की प्रमुख कृतियां, क्षेत्रीय बोलियां
मेले, त्यौहार, लोक संगीत, लोक नृत्य, वाद्ययंत्र एवं आभूषण
राजस्थानी संस्कृति, परंपरा एवं विरासत
महत्वपूर्ण ऐतिहासिक पर्यटन स्थल
राजस्थान के प्रमुख व्यक्तित्व
राजस्थान की रियासतें एवं ब्रिटिश संधियां, 1857 का जन-आंदोलन
कृषक एवं जन-जाति आंदोलन, प्रजामंडल आंदोलन
राजस्थान का एकीकरण
राजस्थान का राजनीतिक जनजागरण एवं विकास-महिलाओं के विशेष संदर्भ में।
राजस्थान का भूगोल
स्थिति एवं विस्तार
मुख्य भौतिक विभागः- मरूस्थलीय प्रदेश, अरावली पर्वतीय प्रदेश, मैदानी प्रदेश, पठारी प्रदेश
अपवाह तन्त्र
जलवायु
मृदा
प्राकृतिक वनस्पति
वन एवं वन्य जीव संरक्षण
पर्यावरणीय एवं पारिस्थितिकीय मुददे
मरूस्थलीकरण
कृषि-जलवायु प्रदेश एवं प्रमुख फसलें
पशुधन
बहुउद्देशीय परियोजनाऐं
सिंचाई परियोजनाऐं
जल संरक्षण
परिवहन
खनिज सम्पदाऐं
राजस्थान की राजनीतिक एवं प्रशासनिक व्यवस्था
राजस्थान में स्थानीय नगरीय स्वशासन
74 वां संविधान संशोधन विधेयक
राज्यपाल, राजस्थान विधानसभा, मुख्यमंत्री, जिला प्रशासन, लोकायुक्त
राज्य मानवाधिकार आयोग
राज्य सूचना आयोग
राज्य निर्वाचन आयोग
राजस्थान लोक सेवा गारन्टी अधिनियम, 2011
भाग-ब :- यांत्रिक अभियांत्रिकी (डिग्री)
Fluid Mechanics
Properties & Classification of Fluid: ideal & real fluids, Newton's law of viscosity, Newtonian and Non-Newtonian fluids, compressible and incompressible fluids.
Fluid Statics: Pressure at a point.
Measurement of Fluid Pressure: Manometers, U-tube, Inclined tube.
Dynamics of ideal fluids: Bernoulli's equation, Total head; Velocity head; Pressure head; Application of Bernoulli's equitation.
Measurement of Flow rate Basic Principles: Venturi meter, Pilot tube, Orifice meter.
Fluid Machine
Hydraulic Turbines: Classification of hydraulic turbines, work done and efficiencies of Pelton, Francis and Kaplan turbines, Draft tube, Specific speed and unit quantities.
Materials: Mechanical Properties and IS coding of various materials, Selection of material from properties and economic aspects.
Manufacturing Considerations in Design: Standardization, Interchangeability, limits, fits tolerances and surface roughness, BIS codes, Design consideration forecast, forged and machined parts. Design for assembly.
Design for Strength: Modes of failure, Strength and Stiffness considerations, Allowable stresses, factor of safety, Stress concentration: causes and mitigation, fatigue failures.
Design of Members subjected to direct stress: pin, cotter and keyed joints.
Design of Members in Bending: Beams, levers and laminated springs.
Design for stiffness of beam: Use of maximum deflection formula for various end conditions for beam design.
Design of Members in Torsion Shaft and Keys: Design for strength, rigidity. Solid and hollow shafts. Shafts under combined loading. Sunk keys.
Couplings: Design of muff coupling, flanged couplings: rigid and Flexible.
Design of Threaded fasteners: Bolt of uniform strength, Pre loading of bolts: Effect of initial tension and applied loads, Eccentric loading.
Power screws like lead screw, screw jack, Design of members which are curved like crane hook, body of C-clamp, machine frame etc.
Design of IC Engine components: Piston, Cylinder, Connecting Rod and Crank Shaft. Design of helical compression, tension, torsional springs, springs under variable stresses.
Design of belt, rope and pulley drive system, Design of gear teeth: Lewis and Bucking ham equations, wear and dynamic load considerations. Design and force analysis of spur, helical, bevel and worm gears, Bearing reactions due to gear tooth forces.
Kinematic & Dynamics of Machines
Governors: Comparison between flywheel and governor, Types of governor, Watt, Porter, Proell, Hartnell and spring controlled governors, sensitiveness of governors, stability of governors, isochronous and hunting, governor effort, power, controlling force diagram.
Gyroscope: Principle of gyroscopic couple, effect of gyroscopic couple and centrifugal force on aeroplanes, ships and vehicle taking a turn, stabilization of sea vessels, stability of four wheeled vehicle moving in a curved path, curved path with banking, stability of two wheeled vehicle, gyroscopic effect on inclined rotating disc.
Inertia force analysis: Velocity and acceleration of slider crank and four bar mechanism, inertia force, piston thrust and forces on connecting rod, turning moment diagram, flywheel.
Gears: Classification, terminology, law of gearing, velocity of sliding, gear tooth profile, comparison of cycloid and in volute tooth profile, standard inter changeable tooth profile, length of path of contact, arc of contact, contact ratio, interference, undercutting, minimum number of teeth on pinionin contact with gear or rack, bevel, helical and spiral gears.
Gear Trains: Simple, compound, reverted and epi cyclic gear trains, analytical, tabular, graphical and vector methods for finding velocity ratio, gearboxes-sliding and constant mesh, synchromesh and differential gear box.
Balancing: Need of balancing, Balancing of rotating masses, single plane, different planes, balancing of reciprocating masses, single cylinder engine, multi-cylinder in line engines, V-engines, concept of direct and reverse ranks, partial balancing of locomotives, IC engines, V engines and balancing machines.
Turbo machines
Basic Concepts of Turbo Machines: Definition & classification of Turbo machine, Basic laws and governing equations: continuity equation, steady flow energy equation (1st law of thermodynamics), 2ndlaw of thermodynamics applied to turbo machines, Newton's 2nd law of motion applied to turbo machines-Euler's pump equation and Euler's turbine equation.
Dimensional analysis applied to hydraulic machines, power coefficient, flow coefficient, head coefficient, non-dimensional specific speed, Range of specific speeds for various turbo machines, Dimensional analysis applied to compressible flow machines, pressure ratios a Function of temperature ratio, mass flow rate parameter and speed parameter.
Centrifugal Compressors and Fans: Components and description, velocities rams, slip factor, energy transfer, power input factor, stage pressure rise and loading coefficient, pressure coefficient, degree of reaction, Centrifugal compress or characteristic, surging, rotating Stall and Choking.
Axial Flow Compressor sand Fans: Basic constructional features, Advantages of axial flow compressors, working principle, velocity triangle, elementary theory, stage work, work done factor, stage loading, degree of reaction; vortex theory, simple design calculations, introduction to blade design, cascade test, compressibility effects, operating characteristics.
Reciprocating Compressors: Basic constructional features, working principle, work done calculation, single and double acting compressors.
Centrifugal Pumps: Main parts, work done and velocity triangles, slip and slip factor, pump losses and efficiencies, minimum starting speed, net positive suction head, performance curve.
Axial Flow Pumps: Description, velocity triangles, work done on the fluid, energy transfer, axial pump characteristics, cavitations.
Reciprocating Pumps: Classification, component and working,single acting and double acting, discharge, work done and power required, coefficient of discharge, indicator diagram, slip, effect offriction and acceleration, theory of air vessels.
Gas power cycles: Idea land practical gas turbine cycle, heat exchange cycle, reheat cycle, intercooled cycle, Comparison of various cycles.
Thermodynamic Cycles: Advantages, disadvantages and performance characteristics of Ram jet engine, pulse jet engine, turbo prop engine, turbo jet engine, turbo fan engine, Calculation of specific thrust and efficiency
Gas Turbines: impulse and reaction type gas turbines, Velocity triangles and calculation of work done, efficiency etc.
Auto Cad -Mechanical Engineering drawings
Review of sectioning, Review of BIS Standard (SP 46), Fasteners -screws, bolts and nuts, riveted joints, pins, locking devices, welded joints, pipe joints, unions and valves. Assemblies involving machine elements like shafts, couplings, bearing, pulleys, gears, belts, brackets. Tool drawings including jigs and fixtures. Engine mechanisms-assembly and disassembly. Production drawings- limits, fits and tolerances, dimensional and geometric tolerances, surface finish symbols. Lay out drawings. Schematics, process and instrumentation diagrams, piping drawings. Structural drawings- examples for reading and interpretation. Computer aided design and use of software packages for engineering drawings.
Assembly Drawing with sectioning and bill of materials Universal Coupling, Forming punch and die, Jigs for inspecting shaft etc. (1 drawing sheet of any assembly) Lathe tail stock, shaper tool head, steams top valve, feed check-valve, swivel machine vice etc(1 drawing sheet of any assembly).
Detailed part drawings from assembly drawing indicating fits, tolerance sand surface finish symbols by referring BIS codes (1 drawing sheet) Check-valve, Junction Valve etc.
Computer Aided Drafting (4drawings)
Introduction, input, output devices, introduction to software like AutoCAD /ProE/Creo/Solid works, basic commands and development of 2D and 3D drawings of simple parts.
Free Hand Sketches: Connecting rod, crank shaft, Pipes and Pipe fittings, machine arbor and cutter, universal dividing head, jig sand fixtures, Step less drive, sliding gear box, safety valve, three way stop valve, blow-off cock, Swivel bearing, Turret Tool Post, drill-press vice, screw jack.
Thermo Dynamics
Properties of Pure Substances: p-v & P-T diagrams of pure substance like H2O, Introduction of steam table with respect to steam generation process; definition of saturation, wet & superheated status. Definition of dryness fraction of steam, degree of super heat of steam. h-s chart of steam ( Mollier's Chart).
1st Law of Thermodynamics: Definition of stored energy & Internal energy, 1st Law of Thermodynamics of cyclic process, Non Flow Energy Equation, Flow Energy & Definition of Enthalpy, Conditions for Steady State Steady Flow; Steady State Steady Flow Energy Equation.
2nd Law of Thermodynamics: Definition of Sink, Source Reservoir of Heat, Heat Engine, Heat Pump & Refrigerator; Thermal Efficiency of Heat Engines & co-efficient of performance of Refrigerators, Kelvin-Planck & Clausius Statements of 2nd Law of Thermodynamics, Absolute or Thermodynamic Scale of temperature, Clauses Integral, Entropy, Entropy change calculation of ideal gas processes. Carnot Cycle & Carnot Efficiency, PMM-2; definition & its impossibility.
Air standard Cycles for IC engines: Otto cycle; ploton P-V,T-S Planes; Thermal Efficiency, Diesel Cycle; Ploton P-V, T-Spleens; Thermal efficiency.
Heat Transfer
Introduction: Heat transfer processes, conduction and radiation. Fourier's law of heat conduction, thermal conductivity, thermal conductivity of solids, liquid sand gases, effect ftem perature on thermal conductivity. Newton's law of cooling, definition of overall heat transfer coefficient. General parameters influence the value of heat transfer coefficient.
Conduction: General 3-Dimensoinal conduction equation in Cartesian, cylindrical and spherical coordinates; different kinds of boundary conditions; nature of differential equations; one dimensional heat conduction with and without heat generation; electrical analogy; heat conduction through composite walls; critical thickness of insulation.
Heat transfer from extended surfaces: Governing differential equation of fin, fin efficiency and effectiveness for different boundary conditions.
Unsteady state heat conduction for slab, cylinder and sphere, Heisler chart.
Convection: Review of Navier-Stokes and energy equation, hydro dynamic and thermal boundary layers; laminar boundary layer equations; forced convection appropriate a nondimensional members; effect of Prandtl number; empirical relations for flow over a flat plate and flow through pipes.
Natural convection: Dimensional analysis, Grash off number, boundary layers in external flows (flow over a flat plate only), boundary layer equations and their solutions, heat transfer correlations.
Heat transfer with change of phase: Nature of vaporization phenomena; different regimes of boiling heat transfer; correlations for saturated liquid vaporization; condensation on flat plates; correlation of experimental results, drop wise condensation.
Heat exchanger: Types of heat exchangers, arithmetic and logarithmic mean temperature differences, heat transfer coefficient for parallel, counter and cross flow type heat exchanger; effectiveness of heat exchanger, N.T.U. method, fouling factor. Constructional and manufacturing aspects of Heat Exchangers.
Thermal Radiation: Plank distribution law, Krichoff's law; radiation properties, diffuse radiations; Lambert's law. Radiation intensity, heat exchange between two black bodies heat exchanger between gray bodies. Shape factor; electrical analogy; reradiating surfaces heat transfer in presence of reradiating surfaces.
Mechanics of Solid
Stress and Strain: Elementary definition of stress and strain, stress-strain relationship, elastic, plastic and visco-elastic behavior of common materials in tension and compression test, stress-strain curves, Hooke's law, Poisson's ratio, elastic constants and their relations for an isotropic hookean material, an isotropic and orthotropic materials.
Tension, compression, shearing stress and strain, thermal stresses, composite bars, equations of static equilibrium, concept of free body diagram. Strain energy due to axial loading.
Members Subjected to Flexural Loads: Theory of simple bending, bending moment and shear force diagrams for different types of static loading and support conditions on beams. bending stresses, section modulus and transverse shear stress distribution in circular, hollow circular, I-Box, T-angle sections etc. Strain energy due to bending.
Principal Planes, Stresses and Strains: Members subjected to combined axial, bending and torsional loads, maximum normal and shear stresses, concept of equivalent bending and equivalent twisting moments, Mohr's circle of stress and strain.
Theories of Elastic Failures: The necessity for a theory, different theories, significance and comparison, applications.
Torsion: Torsional shear stress in solid, hollow and stepped circular shafts, angular deflection and power transmission capacity. Strain energy due to torsional loads.
Stability of Equilibrium: Instability and elastic stability, long and short columns, ideal strut, Euler's formula for crippling load for columns of different ends, concept of equivalent length, eccentric loading, Ranking formulae and other empirical relations.
Transverse Deflection of Beams: Relation between deflection, bending moment, shear force and load, transverse deflection of beams and shaft under static loading, area moment method, direct integration method.
